Add command_buffer_gles2

gpu/gles2_conform_support/egl/egl.cc

Index: gpu/gles2_conform_support/egl/egl.cc
diff --git a/gpu/gles2_conform_support/egl/egl.cc b/gpu/gles2_conform_support/egl/egl.cc
index 343937fa0f3d4eed3a0b25dfc7fc06b4871022a6..41601da3caff8424536eacdd4477cf28fac3842b 100644
--- a/gpu/gles2_conform_support/egl/egl.cc
+++ b/gpu/gles2_conform_support/egl/egl.cc
@@ -102,12 +102,16 @@ EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor) {
   if (!display->Initialize())
     return EglError(EGL_NOT_INITIALIZED, EGL_FALSE);
 
-  int argc = 1;
-  const char* const argv[] = {
-    "dummy"
-  };
-  base::CommandLine::Init(argc, argv);
-  gfx::GLSurface::InitializeOneOff();
+  // eglInitialize can be called multiple times, prevent InitializeOneOff from
+  // being called multiple times.
+  if (gfx::GetGLImplementation() == gfx::kGLImplementationNone) {

[no sievers, 2015/08/28 18:39:33]

I think you can just run this code every time if you call gfx::ClearGLBindings()
form eglTerminate().

+    int argc = 1;
+    const char* const argv[] = {
+      "dummy"
+    };
+    base::CommandLine::Init(argc, argv);
+    gfx::GLSurface::InitializeOneOff();
+  }
 
   *major = 1;
   *minor = 4;